587081 has 12 divisors (see below), whose sum is σ = 687120. Its totient is φ = 496080.

The previous prime is 587063. The next prime is 587087. The reversal of 587081 is 180785.

587081 = 226² + 227² + ... + 236².

It is a happy number.

587081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 587081 - 2⁶ = 587017 is a prime.

It is a super-2 number, since 2×587081² = 689328201122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 587081.

It is not an unprimeable number, because it can be changed into a prime (587087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11051 + ... + 11103.

It is an arithmetic number, because the mean of its divisors is an integer number (57260).

2⁵⁸⁷⁰⁸¹ is an apocalyptic number.

It is an amenable number.

587081 is a deficient number, since it is larger than the sum of its proper divisors (100039).

587081 is a wasteful number, since it uses less digits than its factorization.

587081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 587081 is about 766.2121116245. The cubic root of 587081 is about 83.7335186994.

The spelling of 587081 in words is "five hundred eighty-seven thousand, eighty-one".